Home / 29,109,469.28-40,171,347.84-16,057,278.40

Finding the Fourth Proportional to 29,109,469.28, 40,171,347.84 and 16,057,278.40

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Solution

The fourth proportional to 29,109,469.28, 40,171,347.84 and 16,057,278.40 is: 22,159,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109,469.28 : 40,171,347.84 = 16,057,278.40 : x
  2. Step 2: Convert to fraction form
    29,109,469.28/40,171,347.84 = 16,057,278.40/x
  3. Step 3: Cross multiply
    29,109,469.28x = 40,171,347.84 × 16,057,278.40
  4. Step 4: Simplify right side
    29,109,469.28x = 645,042,515,970,118.75
  5. Step 5: Solve for x
    x = 645,042,515,970,118.75/29,109,469.28
  6. Step 6: Final answer
    x = 22,159,198.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.